Laboratory fume hood



FIG. 1 is a front elevational view of a laboratory fume hood showing ournew design;

FIG. 2 is a right side elevational view thereof, the left side being amirror image of the right side shown; and

FIG. 3 is a top plan view thereof, the bottom and rear being plain andunornamented.

The back and bottom of the laboratory fume hood are not visible duringnormal usage.

The ornamental design for a laboratory fume hood, as shown anddescribed.